Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 September 1958
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 11
- Number of spots (f)
- 158
- Relative number (R)
- 268
- Observer
- AK
- Reading
- all checks consistent
- File
- 19580902.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 7 | 36 | 3E | ||||
| 2 | A – 2 | 11 | 42E | ||||
| 3 | A – 3 | -15 | 75E | ||||
| 4 | C – 5 | -18 | 62E | ||||
| 5 | J – 1 | -26 | 64E | ||||
| 6 | J – 2 | -20 | 6E | ||||
| 7 | F – 53 | -7 | 22W | ||||
| 8 | H – 1 | -10 | 38W | ||||
| 9 | E – 44 | 14 | 22W | ||||
| 10 | E – 26 | 25 | 22W | ||||
| 11 | D – 14 | 27 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.